Home / 127,434.08-175,863.56-70,077.76

Finding the Fourth Proportional to 127,434.08, 175,863.56 and 70,077.76

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Solution

The fourth proportional to 127,434.08, 175,863.56 and 70,077.76 is: 96,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434.08 : 175,863.56 = 70,077.76 : x
  2. Step 2: Convert to fraction form
    127,434.08/175,863.56 = 70,077.76/x
  3. Step 3: Cross multiply
    127,434.08x = 175,863.56 × 70,077.76
  4. Step 4: Simplify right side
    127,434.08x = 12,324,124,350.43
  5. Step 5: Solve for x
    x = 12,324,124,350.43/127,434.08
  6. Step 6: Final answer
    x = 96,709.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.